RITEK Corporation manufactures and markets optical storage media products in Taiwan, the United States, rest of Asia, Europe, and internationally. The company offers storage media product lines, including optical storage media comprising CDs, DVDs, and Blu-ray discs; electronic storage media, which include flash memory cards, USB flash drives, portable hard disc drives, solid state drives, and others. It also provides solar modules comprising mono and poly-crystalline solar modules; and integrating solar systems; OLED display panels, ITO glasses, and patterned sapphire substrate solutions; metal masks; and biological detection discs. In addition, the company engages in organic light emitting diode, conductive glass, and battery manufacturing and trading; lighting equipment manufacturing; venture capital investment; property development and trading; micro bubble system manufacturing and sale; and electronic parts and components manufacturing businesses, as well as offers silicone chemicals, concrete waterproofing, DIY repairs, home cleaning/personal care products, plastic precision injection products, and management consulting services. RITEK Corporation was founded in 1957 and is headquartered in Hsinchu City, Taiwan.